Home / 2,658,187.56-3,987,088.55-1,038,651.96

Finding the Fourth Proportional to 2,658,187.56, 3,987,088.55 and 1,038,651.96

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Solution

The fourth proportional to 2,658,187.56, 3,987,088.55 and 1,038,651.96 is: 1,557,902.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,658,187.56 : 3,987,088.55 = 1,038,651.96 : x
  2. Step 2: Convert to fraction form
    2,658,187.56/3,987,088.55 = 1,038,651.96/x
  3. Step 3: Cross multiply
    2,658,187.56x = 3,987,088.55 × 1,038,651.96
  4. Step 4: Simplify right side
    2,658,187.56x = 4,141,197,331,957.80
  5. Step 5: Solve for x
    x = 4,141,197,331,957.80/2,658,187.56
  6. Step 6: Final answer
    x = 1,557,902.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.